remove path based invoke functions, add stub implementation for invoking method calls

[project/ubus.git] / libubus.c

diff --git a/libubus.c b/libubus.c
index 9e93aed..7bf67a7 100644 (file)
--- a/libubus.c
+++ b/libubus.c
@@ -66,23 +66,19 @@ out:
        return err;
 }
 
-int ubus_start_request(struct ubus_context *ctx, struct ubus_request *req,
-                      struct blob_attr *msg, int cmd, uint32_t peer)
+static int ubus_send_msg(struct ubus_context *ctx, uint32_t seq,
+                        struct blob_attr *msg, int cmd, uint32_t peer)
 {
        struct ubus_msghdr hdr;
        struct iovec iov[2] = {
                STATIC_IOV(hdr)
        };
 
-       memset(req, 0, sizeof(*req));
        hdr.version = 0;
        hdr.type = cmd;
-       hdr.seq = ++ctx->request_seq;
+       hdr.seq = seq;
        hdr.peer = peer;
 
-       req->peer = hdr.peer;
-       req->seq = hdr.seq;
-
        if (!msg) {
                blob_buf_init(&b, 0);
                msg = b.head;
@@ -90,12 +86,22 @@ int ubus_start_request(struct ubus_context *ctx, struct ubus_request *req,
 
        iov[1].iov_base = (char *) msg;
        iov[1].iov_len = blob_raw_len(msg);
-       INIT_LIST_HEAD(&req->list);
-       INIT_LIST_HEAD(&req->pending);
 
        return writev(ctx->sock.fd, iov, 2);
 }
 
+int ubus_start_request(struct ubus_context *ctx, struct ubus_request *req,
+                      struct blob_attr *msg, int cmd, uint32_t peer)
+{
+       memset(req, 0, sizeof(*req));
+
+       INIT_LIST_HEAD(&req->list);
+       INIT_LIST_HEAD(&req->pending);
+       req->peer = peer;
+       req->seq = ++ctx->request_seq;
+       return ubus_send_msg(ctx, req->seq, msg, cmd, peer);
+}
+
 static bool recv_retry(int fd, struct iovec *iov, bool wait)
 {
        int bytes;
@@ -232,26 +238,60 @@ static void ubus_req_data(struct ubus_request *req, struct ubus_msghdr *hdr)
        list_add(&data->list, &req->pending);
 }
 
-static void ubus_process_msg(struct ubus_context *ctx, struct ubus_msghdr *hdr)
+static struct ubus_request *ubus_find_request(struct ubus_context *ctx, uint32_t seq, uint32_t peer)
 {
        struct ubus_request *req;
 
        list_for_each_entry(req, &ctx->requests, list) {
-               if (hdr->seq != req->seq || hdr->peer != req->peer)
+               if (seq != req->seq || peer != req->peer)
                        continue;
 
-               switch(hdr->type) {
-               case UBUS_MSG_STATUS:
-                       ubus_process_req_status(req, hdr);
-                       return;
-               case UBUS_MSG_DATA:
-                       if (req->data_cb)
-                               ubus_req_data(req, hdr);
-                       break;
-               default:
-                       DPRINTF("unknown message type: %d\n", hdr->type);
+               return req;
+       }
+       return NULL;
+}
+
+static void ubus_process_invoke(struct ubus_context *ctx, struct ubus_msghdr *hdr)
+{
+       uint32_t objid = 0;
+       int ret = 0;
+
+       ubus_parse_msg(hdr->data);
+
+       if (attrbuf[UBUS_ATTR_OBJID])
+               objid = blob_get_int32(attrbuf[UBUS_ATTR_OBJID]);
+
+       blob_buf_init(&b, 0);
+       blob_put_int32(&b, UBUS_ATTR_STATUS, ret);
+       blob_put_int32(&b, UBUS_ATTR_OBJID, objid);
+       ubus_send_msg(ctx, hdr->seq, b.head, UBUS_MSG_STATUS, hdr->peer);
+}
+
+static void ubus_process_msg(struct ubus_context *ctx, struct ubus_msghdr *hdr)
+{
+       struct ubus_request *req;
+
+       switch(hdr->type) {
+       case UBUS_MSG_STATUS:
+               req = ubus_find_request(ctx, hdr->seq, hdr->peer);
+               if (!req)
                        break;
-               }
+
+               ubus_process_req_status(req, hdr);
+               break;
+
+       case UBUS_MSG_DATA:
+               req = ubus_find_request(ctx, hdr->seq, hdr->peer);
+               if (req && req->data_cb)
+                       ubus_req_data(req, hdr);
+               break;
+
+       case UBUS_MSG_INVOKE:
+               ubus_process_invoke(ctx, hdr);
+               break;
+       default:
+               DPRINTF("unknown message type: %d\n", hdr->type);
+               break;
        }
 }
 
@@ -305,8 +345,7 @@ int ubus_complete_request(struct ubus_context *ctx, struct ubus_request *req)
                                ubus_req_data(req, hdr);
                        continue;
                default:
-                       DPRINTF("unknown message type: %d\n", hdr->type);
-                       continue;
+                       goto skip;
                }
 
 skip:
@@ -314,28 +353,6 @@ skip:
        }
 }
 
-void ubus_invoke_path_async(struct ubus_context *ctx, const char *path, const char *method,
-                       struct blob_attr *msg, struct ubus_request *req)
-{
-       blob_buf_init(&b, 0);
-       blob_put_string(&b, UBUS_ATTR_OBJPATH, path);
-       blob_put_string(&b, UBUS_ATTR_METHOD, method);
-       blob_put(&b, UBUS_ATTR_DATA, blob_data(msg), blob_len(msg));
-
-       ubus_start_request(ctx, req, b.head, UBUS_MSG_INVOKE, 0);
-}
-
-int ubus_invoke_path(struct ubus_context *ctx, const char *path, const char *method,
-                struct blob_attr *msg, ubus_data_handler_t cb, void *priv)
-{
-       struct ubus_request req;
-
-       ubus_invoke_path_async(ctx, path, method, msg, &req);
-       req.data_cb = cb;
-       req.priv = priv;
-       return ubus_complete_request(ctx, &req);
-}
-
 void ubus_invoke_async(struct ubus_context *ctx, uint32_t obj, const char *method,
                        struct blob_attr *msg, struct ubus_request *req)
 {
@@ -344,7 +361,7 @@ void ubus_invoke_async(struct ubus_context *ctx, uint32_t obj, const char *metho
        blob_put_string(&b, UBUS_ATTR_METHOD, method);
        blob_put(&b, UBUS_ATTR_DATA, blob_data(msg), blob_len(msg));
 
-       ubus_start_request(ctx, req, b.head, UBUS_MSG_INVOKE, 0);
+       ubus_start_request(ctx, req, b.head, UBUS_MSG_INVOKE, obj);
 }
 
 int ubus_invoke(struct ubus_context *ctx, uint32_t obj, const char *method,
@@ -511,6 +528,7 @@ struct ubus_context *ubus_connect(const char *path)
        }
 
        ctx->local_id = hdr.hdr.peer;
+       INIT_LIST_HEAD(&ctx->requests);
        free(buf);
 
        if (!ctx->local_id) {